# NTSB NYC81IA057: Shorts SD3-30, N331CA, Middletown, PA, June 11, 1981

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Closed
- Date: June 11, 1981
- Place: Middletown, PA · MIDDLETOWN, PA
- Location: 40.2009° N, 76.7292° W: Placed by OpenAirDocs: center of Middletown, PA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.2009&lon=-76.7292&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 15 uninjured
- Status: Completed, report December 17, 1981
- Report: Brief approved by the director
- Safety recommendations: Yes
- NTSB case key (mKey): 80099
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC81IA057
- Page: https://openairdocs.org/ntsb/NYC81IA057

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
5-0047  81/6/11    MIDDLETOWN,PA       SHORTS SD3-30       CR-  0  0  3  COMMERCIAL                AIRLINE TRANSPORT, AGE
        TIME - 1959                    N331CA              PX-  0  0 12  COMMUTER AIR CARRIER      31, 7400 TOTAL HOURS, 305
                                       DAMAGE-NONE         OT-  0  0  0  AIR TAXI-PASSG S-D        IN TYPE, INSTRUMENT
                                                                                                   RATED.
        CLASSIFIED AS INCIDENT
        NAME OF AIRPORT - HARRISBURG INTL
        DEPARTURE POINT             INTENDED DESTINATION
          NEW YORK,NY                 MIDDLETOWN,PA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           MISCELLANEOUS                                            LANDING: OTHER
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: SWITCHES,LEVERS,CRANKING MECHANISM,ETC.
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        REMARKS- LNDD W UNSAFE INDICATION FOR R MAIN GEAR.FOUND BROKEN WIRES ON DOWNLOCK SW,PN 216N9-10.
```

## Aircraft

- Registration: N331CA (not matched to a registry record)
- Reported make and model: SHORTS SD3-30
- Category: Airplane
- Engines: turbo prop
- Damage: No damage
- Airport: Harrisburg Intl

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Incident 19810611042439I](https://openairdocs.org/incident/19810611042439I), Jun 11, 1981: Stbros SD330, Middletown, PA. Failed to get gear down and lock light on extension. Found broken down lock switch wires.

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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